Accessory off-street parking and loading facilities shall be provided as a condition precedent to occupancy of all residential, institutional, recreational, places of assembly, business, office, research and industrial uses in conformance with the provisions of this chapter as follows:
   (a)   Whenever a building is constructed or a new use established;
   (b)   Whenever an existing building is altered and there is an increase of the number of dwelling units, seating capacity or floor area of a building; and
   (c)   Whenever the use of an existing building is changed to a use which requires more off-street parking facilities, except that certain nonconforming uses may continue as provided in Section 1225.03, Nonconforming Use of Buildings.
      (Ord. 1969-169. Passed 7-16-70.)